Home / 84,210.64-116,230.16-55,535.46

Finding the Fourth Proportional to 84,210.64, 116,230.16 and 55,535.46

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Solution

The fourth proportional to 84,210.64, 116,230.16 and 55,535.46 is: 76,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,210.64 : 116,230.16 = 55,535.46 : x
  2. Step 2: Convert to fraction form
    84,210.64/116,230.16 = 55,535.46/x
  3. Step 3: Cross multiply
    84,210.64x = 116,230.16 × 55,535.46
  4. Step 4: Simplify right side
    84,210.64x = 6,454,895,401.47
  5. Step 5: Solve for x
    x = 6,454,895,401.47/84,210.64
  6. Step 6: Final answer
    x = 76,651.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.